You must try to generate happiness within yourself. If you aren't happy in one place chances are you won't be happy anyplace.
The only way to prove that you're a good sport is to lose.
On a soap happiness never lasts for very long!
Put you energy into music. If it fails you you can become an accountant or a dentist. And then if you become a dentist or an accountant it's too late to become a musician afterwards.